// Interfaces
int groups_namesBFS(void);
int groups_namesBFS2(void);
int crearista(void);
int read_gadget_overlap(void); int read_header(void);
int change_coord(void);
int interface(struct face *franja, int ix);
int grid(void);
int busv(int ic, float r0, vector<int> *listvec);
int idenBFS(float r0);
int creagrafo(void);
int creagrafo2(void);
int write_data(int nfiles);

